Small Motor Articles

White papers, case studies, and examples of Power Electric's work in various industries and motor applications.

Are Electric Motors Reliable

Electric motors are mechanically simple devices with a relatively small number of moving parts. This, combined with their low vibration output, makes electric motors very reliable power supplies if used properly and within their specified ratings limits. In applications where either electric or combustion motors are viable options, the electric motor is often the more…
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Are Electric Motors Waterproof?

The vast majority of electric motors are not waterproof, largely because it is not necessary for the application in which they are used. It is possible to create a waterproof electric motor.  However, waterproofing comes with added costs while also limiting overall performance. These costs are often only worthwhile for specific applications, such as pumps…
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What are Gear Motors Used For?

Electric Gear motors are used in applications that require high output torque and lower output shaft rotational speed, especially where space and available power are limited. This describes a wide range of common equipment applications across multiple industries. From automotive wiper and window motors to hospital beds and patient lifts, robots to conveyor systems, automatic…
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Why are DC Motors Usually Gear Motors

Many battery-operated devices rely on DC motors for power. Because of their high shaft speeds—typically 1500-6000 RPM under load—DC motors are commonly paired with a gearbox. Without the gearbox, the shaft speed of DC motors often exceeds the requirements of most applications. Since many applications require a controllable shaft speed output, many DC motors are…
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What’s the Difference Between a Brushless and a Brushed Motor?

Brushless and brushed motors essentially perform the same function. They convert electric current into rotational motion. While brushed motors have been available for over 100 years, brushless motors began in the 1960s when solid-state electronics made their design possible. It was not until the 1980s that brushless motors became more commonplace in tools and electronics….
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Fractional Horse Power Motors

Reliable & Application-Specific Fractional Horse Power Motors Fractional horse power motors—sometimes called sub-fractional horse power motors—are typically used in smaller applications, including medical devices that must dispense medication or perform a vital health function consistently and reliably. As tiny as these motors can be, they use a precisely designed gear system to perform efficiently and…
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